top-of-the-line
adjective
UK: /ˌtɒp əv ðə ˈlaɪn/
US: /ˌtɑːp əv ðə ˈlaɪn/
The best and most expensive in a range of products.
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This is a top-of-the-line model.
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We bought a top-of-the-line washing machine for our new apartment, which we hope will last a decade.
Of the highest quality; representing the best available.
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It is a top-of-the-line product.
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The company's reputation rests on providing top-of-the-line service to all its clients.